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How to determine if a process runs inside lxc/Docker?

... the init process, and when you are not in a container, that will be / for all hierarchies. When you are inside a container, you will see the name of the anchor point. With LXC/Docker containers, it will be something like /lxc/<containerid> or /docker/<containerid> respectively. ...
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Are delphi variables initialized with a value by default?

... As Giacomo pointed out in the comments below, this is all explained in the Delphi help files at ms-help://borland.bds4/bds4ref/html/Variables.htm. In Delphi 2009 I found the same info by searching the help for "variables" (funnily enough I tried lots of searches but I didn't th...
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Disable back button in android

...utton on the device. @Override public void onBackPressed() { if (shouldAllowBack()) { super.onBackPressed(); } else { doSomething(); } } share | improve this answer ...
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How to simulate a higher resolution screen? [closed]

...ving to set it up yourself, but has the advantage of being able to test locally with no internet connection. share | improve this answer | follow | ...
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How to specify test directory for mocha?

...le hierarchy than the rest of the tests, and would only find that one odd ball file and not the dozen others that lived on the same level in the hierarchy. Wrapping in quotes fixed it. – Stoutie Nov 9 '15 at 0:23 ...
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How to find and turn on USB debugging mode on Nexus 4

...ment kit), view this info. From a Home screen, swipe up to display all apps. Navigate: Settings > System > Advanced. Developer options . If Developer options isn't available, navigate: Settings > About phone then tap Build number 7 times. Tap the Back icon  to Setti...
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Is it possible to run selenium (Firefox) web driver without a GUI?

... is a post you can follow. Here is the summary steps to set up Xvfb #install Xvfb sudo apt-get install xvfb #set display number to :99 Xvfb :99 -ac & export DISPLAY=:99 #you are now having an X display by Xvfb s...
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Do threads have a distinct heap?

... No. All threads share a common heap. Each thread has a private stack, which it can quickly add and remove items from. This makes stack based memory fast, but if you use too much stack memory, as occurs in infinite recursion, yo...
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What do pty and tty mean?

... terminal. (Called teletype because that's what we had for terminals in those benighted days.) A pty is a pseudotty, a device entry that acts like a terminal to the process reading and writing there, but is managed by something else. They first appeared (as I recall) for X Window and screen and th...
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Android - SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length

I have the following layout (virtually empty): 18 Answers 18 ...